Chess & Check

Design
Chess's style is set up like a chess board and Check's style as a checker board.

Personality
The twins are total oppisites being Chess the happy,nice,goody goody twin and Check being the grumpy,mean,bad twin.

Biography
Being that Chess and Check are twins gives the idea of Vocaloids Kagamine Rin and Len who are twins as well.

Voice configuration
Their voice is Humanloid K8Y being Chess's voice is a high-pitched version of K8Y and Check's voice a deeper-pitched version of K8Y.

Trivia
Their series number 020 comes from there being 32 chess pieces in a Chess set and 12 checkers of each color in Checkers then subtract.